【Flush Trim Router Bit Kit】4 Flutes Straight Flute Router Bit with 8mm Shank, Cutting Height: 30mm/40mm/50mm, Cutting Diameter: 14mm/16mm/16mm with a top end bearing. 【Product Features】Stable accuracy, fine workmanship, durable rust, clean cutting, smooth rotation, fast operation, significantly improved service life. Mainly used for trimming, edging, graining and grooving wood. 【Industrial Grade Router Bits】Made of high quality C3 micro-grain carbide with Teflon coating for heat-resistant and long-lasting performance. Efficient and extremely durable cuts. It contains an enclosed ball bearing for smooth operation and precise trimming cuts for laminates and templates. 【Anti-Kickback Design】 The ideal flush trim router bit with carbide-tipped edge, 4-flute design helps remove chips and make your work clean and smooth to meet a variety of cutting needs. 【Professional Woodworking Tools】 3 types of cutter heads for different applications. Use on CNC and other automatic routers as well as